1 / 10
Lookups
0
Issues
5
IPv4 addresses
0
IPv6 addresses
Terms
pass
if the sender's IP address is in the A or AAAA record of this domain.
5 IPv4 addresses
or else
-all
fail
the email's SPF check.
Included records
v=spf1 a:ssmtp.didc.cz -all